package com.yyr.spring_boot.modules.test.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.yyr.spring_boot.aop.MyAnnotation;
import com.yyr.spring_boot.modules.common.vo.Result;
import com.yyr.spring_boot.modules.common.vo.Search;
import com.yyr.spring_boot.modules.test.dao.CityDao;
import com.yyr.spring_boot.modules.test.dao.CityDao2;
import com.yyr.spring_boot.modules.test.entity.City;
import com.yyr.spring_boot.modules.test.service.CityService;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.*;


@Service
public class CityServiceImpl implements CityService {

    @Autowired
    private CityDao cityDao;

    @Autowired
    private CityDao2 cityDao2;

    @Override
    public Result<City> insertCity(City city) {
        City temp = cityDao.getCityByCityName(city.getCityName());
        if (temp != null) {
            return new Result<>(Result.ResultStatus.FAILD.code,"city name is repead.");
        }
        city.setDateCreated(new Date());
        city.setDateModified(new Date());
        cityDao.insertCity(city);
        return new Result<>(Result.ResultStatus.SUCCESS.code,"Insert success.", city);
    }

    @Override
    public Result<City> updateCity(City city) {
        City temp = cityDao.getCityByCityName(city.getCityName());
        if (temp != null && temp.getCityId() != city.getCityId()) {
            return new Result<>(Result.ResultStatus.FAILD.code, "City name is repead");
        }

        city.setDateModified(new Date());
//        cityDao.updateCity(city);
//        cityDao2.updateById(city);    //全部列都一起修改，如果传入空值会报错
        //指定某些列修改
        UpdateWrapper wrapper = new UpdateWrapper();
        wrapper.eq(true, "city_id", city.getCityId());
        wrapper.set(true, "city_name", city.getCityName());
        wrapper.set(true, "local_city_name", city.getLocalCityName());
        cityDao2.update(city, wrapper);
        return new Result<>(Result.ResultStatus.SUCCESS.code, "Update success.", city);
    }

    @Override
    public Result<Object> deleteCityByCityId(int cityId) {
//        cityDao.deleteCityByCityId(cityId);
        Map<String, Object> columnMap = new HashMap<>();
        columnMap.put("city_id", cityId);
        cityDao2.deleteByMap(columnMap);
//        cityDao2.deleteById(cityId);
        return new Result<>(Result.ResultStatus.SUCCESS.code, "Update success.");
    }

    @Override
    @MyAnnotation
    public City getCityByCityId(int cityId) {
//        return cityDao.getCityByCityId(cityId);
        return cityDao2.selectById(cityId);
    }

    @Override
    public City getCityByNames(String cityName, String localCityName) {
        return cityDao.getCityByNames(cityName, localCityName);
    }

    @Override
    public List<City> getCitiesByCountryId(int countryId) {
        return Optional.ofNullable(cityDao.getCitiesByCountryId(countryId))
                .orElse(Collections.emptyList());
    }

    @Override
    public PageInfo<City> getCitiesBySearch(Search search) {
        //初始化 Search 对象
        search.init();
        //开始分页
        PageHelper.startPage(search.getCurrentPage(), search.getPageSize());
        //返回分页对象
        return new PageInfo<>(Optional.ofNullable(cityDao.getCitiesBySearch(search)).orElse(Collections.emptyList()));
    }

    @Override
    public Page<City> getCitiesBySearch2(Search search) {
        //初始化 search
        search.init();
        //构造 Page 对象
        Page<City> page = new Page<>(search.getCurrentPage(), search.getPageSize());
        //构造 QueryWrapper 对象
        QueryWrapper<City> queryWrapper = new QueryWrapper();
        queryWrapper.like(
                StringUtils.isNoneBlank(search.getKeyword()),
                "city_name",
                search.getKeyword()
        ).or().like(
                StringUtils.isNoneBlank(search.getKeyword()),
                "local_city_name",
                search.getKeyword()
        ).orderBy(
                true,
                StringUtils.isBlank(search.getDirection()) ||
                        search.getDirection().toLowerCase().equals("asc"),
                search.getSort()
        );
        //查询
        return cityDao2.selectPage(page, queryWrapper);
    }

}
